Toyota Automatic Transmission A340 Series. Repair Manual — part 36
TF0478
TF0479
TF0480
AT8503
Push
Switch position
Specified
Push
Continuity
Free
No continuity
TF0477
23. REMOVE INPUT SHAFT, THRUST BEARING AND
RACE
24. REMOVE PLANETARY RING GEAR
(a)
Using a screwdriver, remove the snap ring.
(b)
Remove the plug, spring and pin.
(c)
Remove the planetary ring gear.
25. INSPECT TRANSFER INDICATOR SWITCH
Check that there is continuity between terminals as shown.
If operation is not as specified, replace the switch.
TF−10
−
TRANSFER (A340F)
Disassembly of Transfer
Switch position
Specified
Push
Continuity
Free
No continuity
AT8503
Push
26. INSPECT TRANSFER L4 POSITION SWITCH
Check that there is continuity between terminals as shown.
If operation is not as specified, replace the switch.
−
TRANSFER (A340F)
Disassembly of Transfer
TF−11
300 (22, 29)
TF0482
♦ Non−reusable part
L Precoated part
TF0481
kg−cm (ft−lb, N−m) : Specified torque
LStraight Screw Plug
Spring
Ball
Seat
♦ O−Ring
Oil Pump Plate
Oil Pump Body
Drive Rotor
75 (65 in.−lb, 7.4)
Driven Rotor
TF0483
SST
COMPONENT PARTS
Oil Pump Body
COMPONENTS
DISASSEMBLY OF OIL PUMP BODY
1.
CHECK OPERATION OF OIL PUMP
Install the oil pump drive gear to the drive rotor, check
that the drive rotor turns smoothly.
2.
REMOVE STRAIGHT SCREW PLUG, SPRING, BALL
AND SEAT
(a)
Using SST, remove the straight screw plug.
SST
09043−38100
TF−12
−
TRANSFER (A340F)
Component Parts (Oil Pump Body)
TF0547
SST
TF0485
TF0486
TF0487
TF0546
(b)
Using a magnetic finger, remove the spring and ball.
(c)
Using SST, pull out the seat.
SST
09921−00010
(d)
Remove the O−ring from the seat.
3.
REMOVE OIL PUMP PLATE
(a)
Using a torx socket wrench, unscrew the three torx
screws.
(Torx socket wrench T30 09042 − 00010)
(b)
Remove the oil pump plate.
4.
REMOVE DRIVE ROTOR AND DRIVEN ROTOR
INSPECTION OF OIL PUMP BODY
1.
CHECK BODY CLEARANCE OF DRIVEN ROTOR
Push the driven rotor to one side of the body.
Using a feeler gauge, measure the clearance.
Standard clearance:
0.10 − 0.16 mm
(0.0039 − 0.0063 in.)
Maximum clearance:
0.16 mm (0.0063 in.)
If the clearance exceeds the limit, replace the drive rotor,
driven rotor or pump body.
2.
CHECK TIP CLEARANCE OF BOTH ROTORS
Using a feeler gauge, measure the clearance between
both rotor tips.
Standard clearance:
0.08 − 0.16 mm
(0.0031 − 0.0063 in.)
Maximum clearance:
0.16 mm (0.0063 in.)
If the clearance exceeds the limit, replace the drive ro-
tor, driven rotor or pump body.
−
TRANSFER (A340F)
Component Parts (Oil Pump Body)
TF−13
TF0489
TF0490
TF0485
TF0484
TF0488
3.
CHECK SIDE CLEARANCE OF BOTH ROTORS
Using a steel straight edge and feeler gauge, measure
the clearance between the rotors and straight edge.
Standard clearance:
0.03 − 0.08 mm
(0.0012 − 0.0031 in.)
Maximum clearance:
0.08 mm (0.0031 in.)
If the clearance exceeds the limit, replace the drive rotor,
driven rotor or pump body.
ASSEMBLY OF OIL PUMP BODY
1.
INSTALL OIL PUMP DRIVE ROTOR AND DRIVEN
ROTOR
(a)
Apply gear oil the both rotors.
(b)
Install the driven rotor.
(c)
Install the drive rotor.
2.
INSTALL OIL PUMP PLATE
(a)
Install the oil pump plate.
(b)
Using a torx socket wrench, tighten the three torx
screws.
(Torx socket wrench T30 09042 − 00010)
Torque: 75 kg−cm (65 in.−lb, 7.4 N−m)
3.
INSTALL SEAT, BALL, SPRING AND STRAIGHT
SCREW PLUG
(a)
Install a new O−ring to the seat.
(b)
Install the seat, ball and spring.
HINT: When installing the seat, push the seat until it
touches the bottom of the hole in the body.
TF−14
−
TRANSFER (A340F)
Component Parts (Oil Pump Body)
TF0482
TF0483
SST
(c)
Apply liquid sealer to the plug.
Sealant: Part No. 08833 − 00080, THREE BOND
1344, LOCTITE 242 or equivalent
(d)
Using SST, torque the plug.
SST
09043−38100
Torque: 300 kg−cm (22 ft−lb, 29 N−m)
4.
CHECK OPERATION OF OIL PUMP
Install the oil pump drive gear to the drive rotor, check that
the drive rotor turns smoothly.
−
TRANSFER (A340F)
Component Parts (Oil Pump Body)
TF−15
TF0512
TF0513
SST
Steel Bar
TF0511
Driven Sprocket
Front Bearing
Rear Bearing
Driven Sprocket
COMPONENTS
DISASSEMBLY OF DRIVEN SPROCKET
1.
REMOVE FRONT BEARING
Using a press, remove the front bearing.
2.
REMOVE REAR BEARING
Using SST and a press, remove the rear bearing.
SST
09950−00020
TF−16
−
TRANSFER (A340F)
Component Parts (Driven Sprocket)
TF0515
Shielded Side
TF0514
ASSEMBLY OF DRIVEN SPROCKET
1.
INSTALL REAR BEARING
Using a press, install the rear bearing.
2.
INSTALL FRONT BEARING
Using a press, install the front bearing.
HINT: Make sure to install the bearing in the correct
direction.
−
TRANSFER (A340F)
Component Parts (Driven Sprocket)
TF−17
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